#include <stdio.h>

int main(int argc, char *argv[])
{
    int i = 0;
    for (; i < argc; i++) {
        printf("argv[%d]:%s\n", i, argv[i]);
    }
    
    printf("argv[%d]:%s\n", i, argv[i]);
    // printf("%p", argv[i]);
    *(argv[i]) = 1;
    
    return 0;
}